fix: make node tool non volatile (#2372)

* fix: make node tool non volatile

Currently downgrading node via setup-node can break later actions

* fix it and lookup on startup

* fix problems

---------

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/runner/action.go

@@ -179,7 +179,7 @@ func runActionImpl(step actionStep, actionDir string, remoteAction *remoteAction
 			if err := maybeCopyToActionDir(ctx, step, actionDir, actionPath, containerActionDir); err != nil {
 				return err
 			}
-			containerArgs := []string{"node", path.Join(containerActionDir, action.Runs.Main)}
+			containerArgs := []string{rc.GetNodeToolFullPath(ctx), path.Join(containerActionDir, action.Runs.Main)}
 			logger.Debugf("executing remote job container: %s", containerArgs)
 
 			rc.ApplyExtraPath(ctx, step.getEnv())
@@ -533,7 +533,7 @@ func runPreStep(step actionStep) common.Executor {
 				return err
 			}
 
-			containerArgs := []string{"node", path.Join(containerActionDir, action.Runs.Pre)}
+			containerArgs := []string{rc.GetNodeToolFullPath(ctx), path.Join(containerActionDir, action.Runs.Pre)}
 			logger.Debugf("executing remote job container: %s", containerArgs)
 
 			rc.ApplyExtraPath(ctx, step.getEnv())
@@ -627,7 +627,7 @@ func runPostStep(step actionStep) common.Executor {
 			populateEnvsFromSavedState(step.getEnv(), step, rc)
 			populateEnvsFromInput(ctx, step.getEnv(), step.getActionModel(), rc)
 
-			containerArgs := []string{"node", path.Join(containerActionDir, action.Runs.Post)}
+			containerArgs := []string{rc.GetNodeToolFullPath(ctx), path.Join(containerActionDir, action.Runs.Post)}
 			logger.Debugf("executing remote job container: %s", containerArgs)
 
 			rc.ApplyExtraPath(ctx, step.getEnv())

pkg/runner/action_composite.go

@@ -74,6 +74,7 @@ func newCompositeRunContext(ctx context.Context, parent *RunContext, step action
 		ExtraPath:        parent.ExtraPath,
 		Parent:           parent,
 		EventJSON:        parent.EventJSON,
+		nodeToolFullPath: parent.nodeToolFullPath,
 	}
 	compositerc.ExprEval = compositerc.NewExpressionEvaluator(ctx)
 

pkg/runner/action_test.go

@@ -164,6 +164,7 @@ func TestActionRunner(t *testing.T) {
 							},
 						},
 					},
+					nodeToolFullPath: "node",
 				},
 				action: &model.Action{
 					Inputs: map[string]model.Input{
@@ -208,6 +209,7 @@ func TestActionRunner(t *testing.T) {
 							"name": "state value",
 						},
 					},
+					nodeToolFullPath: "node",
 				},
 				action: &model.Action{
 					Runs: model.ActionRuns{

pkg/runner/expression.go

@@ -196,7 +196,7 @@ func getHashFilesFunction(ctx context.Context, rc *RunContext) func(v []reflect.
 				Mode: 0o644,
 				Body: hashfiles,
 			}).
-				Then(rc.execJobContainer([]string{"node", path.Join(rc.JobContainer.GetActPath(), name)},
+				Then(rc.execJobContainer([]string{rc.GetNodeToolFullPath(ctx), path.Join(rc.JobContainer.GetActPath(), name)},
 					env, "", "")).
 				Finally(func(context.Context) error {
 					rc.JobContainer.ReplaceLogWriter(stdout, stderr)

pkg/runner/job_executor.go

@@ -116,6 +116,7 @@ func newJobExecutor(info jobInfo, sf stepFactory, rc *RunContext) common.Executo
 	})
 
 	pipeline := make([]common.Executor, 0)
+	pipeline = append(pipeline, rc.InitializeNodeTool())
 	pipeline = append(pipeline, preSteps...)
 	pipeline = append(pipeline, steps...)
 

pkg/runner/job_executor_test.go

@@ -258,6 +258,7 @@ func TestNewJobExecutor(t *testing.T) {
 					},
 				},
 				Config:           &Config{},
+				nodeToolFullPath: "node",
 			}
 			rc.ExprEval = rc.NewExpressionEvaluator(ctx)
 			executorOrder := make([]string, 0)

pkg/runner/run_context.go

@@ -3,6 +3,7 @@ package runner
 import (
 	"archive/tar"
 	"bufio"
+	"bytes"
 	"context"
 	"crypto/rand"
 	"crypto/sha256"
@@ -50,6 +51,7 @@ type RunContext struct {
 	Masks               []string
 	cleanUpJobContainer common.Executor
 	caller              *caller // job calling this RunContext (reusable workflows)
+	nodeToolFullPath    string
 }
 
 func (rc *RunContext) AddMask(mask string) {
@@ -432,6 +434,48 @@ func (rc *RunContext) execJobContainer(cmd []string, env map[string]string, user
 	}
 }
 
+func (rc *RunContext) InitializeNodeTool() common.Executor {
+	return func(ctx context.Context) error {
+		rc.GetNodeToolFullPath(ctx)
+		return nil
+	}
+}
+
+func (rc *RunContext) GetNodeToolFullPath(ctx context.Context) string {
+	if rc.nodeToolFullPath == "" {
+		timeed, cancel := context.WithTimeout(ctx, time.Minute)
+		defer cancel()
+		path := rc.JobContainer.GetPathVariableName()
+		cenv := map[string]string{}
+		var cpath string
+		if err := rc.JobContainer.UpdateFromImageEnv(&cenv)(ctx); err == nil {
+			if p, ok := cenv[path]; ok {
+				cpath = p
+			}
+		}
+		if len(cpath) == 0 {
+			cpath = rc.JobContainer.DefaultPathVariable()
+		}
+		cenv[path] = cpath
+		hout := &bytes.Buffer{}
+		herr := &bytes.Buffer{}
+		stdout, stderr := rc.JobContainer.ReplaceLogWriter(hout, herr)
+		err := rc.execJobContainer([]string{"node", "--no-warnings", "-e", "console.log(process.execPath)"},
+			cenv, "", "").
+			Finally(func(context.Context) error {
+				rc.JobContainer.ReplaceLogWriter(stdout, stderr)
+				return nil
+			})(timeed)
+		rawStr := strings.Trim(hout.String(), "\r\n")
+		if err == nil && !strings.ContainsAny(rawStr, "\r\n") {
+			rc.nodeToolFullPath = rawStr
+		} else {
+			rc.nodeToolFullPath = "node"
+		}
+	}
+	return rc.nodeToolFullPath
+}
+
 func (rc *RunContext) ApplyExtraPath(ctx context.Context, env *map[string]string) {
 	if rc.ExtraPath != nil && len(rc.ExtraPath) > 0 {
 		path := rc.JobContainer.GetPathVariableName()

pkg/runner/step_action_local_test.go

@@ -250,6 +250,7 @@ func TestStepActionLocalPost(t *testing.T) {
 						},
 					},
 					StepResults:      tt.initialStepResults,
+					nodeToolFullPath: "node",
 				},
 				Step:   tt.stepModel,
 				action: tt.actionModel,

pkg/runner/step_action_remote_test.go

@@ -573,6 +573,7 @@ func TestStepActionRemotePost(t *testing.T) {
 					},
 					StepResults:      tt.initialStepResults,
 					IntraActionState: tt.IntraActionState,
+					nodeToolFullPath: "node",
 				},
 				Step:   tt.stepModel,
 				action: tt.actionModel,